Home / 76,421.40-114,632.10-58,925.40

Finding the Fourth Proportional to 76,421.40, 114,632.10 and 58,925.40

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Solution

The fourth proportional to 76,421.40, 114,632.10 and 58,925.40 is: 88,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.40 : 114,632.10 = 58,925.40 : x
  2. Step 2: Convert to fraction form
    76,421.40/114,632.10 = 58,925.40/x
  3. Step 3: Cross multiply
    76,421.40x = 114,632.10 × 58,925.40
  4. Step 4: Simplify right side
    76,421.40x = 6,754,742,345.34
  5. Step 5: Solve for x
    x = 6,754,742,345.34/76,421.40
  6. Step 6: Final answer
    x = 88,388.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.